Joint energy-efficient single relay selection and power allocation for analog network coding with three transmission phases

Basem M. Elhalawany, Maha Elsabrouty, Osamu Muta, Adel Abdelrahman, Hiroshi Furukawa

Research output: Contribution to journalConference article

7 Citations (Scopus)

Abstract

The multiple access broadcast (MABC) is an effective two phases transmission (2P) ANC protocol for the half-duplex (HD) communication mode. However, MABC does not make use of channel gain of the direct link (DL) no matter how strong it is. On the other hand, the time division broadcast (TDBC) is known as a three phases transmission (3P) protocol which enables transceivers to utilize DL and thus offers the possibility to achieve higher performance compared with the MABC at the expense of a reduced spectral efficiency due to the one extra transmission phase. In this paper, we investigate a joint single relay selection and power allocation schemes for energy-efficient wireless communication systems with analog network coding (ANC) for TDBC, where two-way relay channel with two end nodes and N parallel relay nodes is considered under an assumption of perfect channel-state information (CSI). Our objective is to minimize the total system transmit power consumption under quality-of-service (QoS) constraints for TDBC protocol with joint single relay selection and nodes power allocation. In addition, a zero-forcing based relay signal combining technique that combines the signals received at the 1st and 2nd transmission phases, also known as zero-forcing relay power allocation (ZF-RPA), is also investigated. Numerical simulation shows that the traditional VG-RPA is more energy-efficient than the ZF-RPA scheme for TDBC in cases with and without utilizing DL.

Original languageEnglish
Article number7022964
JournalIEEE Vehicular Technology Conference
Volume2015-January
Issue numberJanuary
DOIs
Publication statusPublished - Jan 1 2014
Event2014 79th IEEE Vehicular Technology Conference, VTC 2014-Spring - Seoul, Korea, Republic of
Duration: May 18 2014May 21 2014

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Relay Selection
Network coding
Network Coding
Power Allocation
Energy Efficient
Broadcast
Analogue
Zero-forcing
Relay
Division
Multiple Access
Channel state information
Transceivers
Vertex of a graph
Quality of service
Communication systems
Electric power utilization
Relay Channel
Spectral Efficiency
Channel State Information

All Science Journal Classification (ASJC) codes

  • Computer Science Applications
  • Electrical and Electronic Engineering
  • Applied Mathematics

Cite this

Joint energy-efficient single relay selection and power allocation for analog network coding with three transmission phases. / Elhalawany, Basem M.; Elsabrouty, Maha; Muta, Osamu; Abdelrahman, Adel; Furukawa, Hiroshi.

In: IEEE Vehicular Technology Conference, Vol. 2015-January, No. January, 7022964, 01.01.2014.

Research output: Contribution to journalConference article

Elhalawany, Basem M. ; Elsabrouty, Maha ; Muta, Osamu ; Abdelrahman, Adel ; Furukawa, Hiroshi. / Joint energy-efficient single relay selection and power allocation for analog network coding with three transmission phases. In: IEEE Vehicular Technology Conference. 2014 ; Vol. 2015-January, No. January.
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